TY  - JOUR
UR  - https://www.scopus.com/inward/record.uri?eid=2-s2.0-79955562144&doi=10.3923%2fjas.2011.1725.1732&partnerID=40&md5=e07fe3542d84dcef3309ee37254e926f
ID  - scholars2120
AV  - none
JF  - Journal of Applied Sciences
Y1  - 2011///
N1  - cited By 5
N2  - The purpose of the investigation presented in this study is to evaluate the tube side single phase heat transfer performance on the EXTEK (Twisted Multi-Head) tube. The geometry of the cross-section for a flow passage has an effect on its convective heat transfer capabilities. For concentric annuli in a double tube heat exchanger, the annular surface enhancement and tube profile enhancement play an important role. EXTEK (Twisted Multi-Head) uses twisted extrusion of a star shape tube for tube profile enhancement. The study was able to develop individual heat transfer coefficient correlations for this new method of enhancement for the turbulent flow regimes. A plain annulus was also investigated for comparison. The Wilson plot method was used to determine the tube side heat transfer coefficients from which the Nusselt type correlations were developed. © 2011 Asian Network for Scientific Information.
A1  - Ramahlingam, T.
A1  - Raghavan, V.R.
IS  - 10
SP  - 1725
EP  - 1732
SN  - 18125654
TI  - The tube side heat transfer coefficient for enhanced double tube by Wilson plot analysis
VL  - 11
ER  -